org.apache.flink.table.planner.plan.abilities.source

Class FilterPushDownSpec

java.lang.Object

org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

org.apache.flink.table.planner.plan.abilities.source.FilterPushDownSpec

All Implemented Interfaces:

SourceAbilitySpec

public final class FilterPushDownSpec
extends SourceAbilitySpecBase

A sub-class of SourceAbilitySpec that can not only serialize/deserialize the filter to/from JSON, but also can push the filter into a SupportsFilterPushDown.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD_NAME_PREDICATES

Fields inherited from class org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

FIELD_NAME_PRODUCED_TYPE

Constructor Summary

Constructors

Constructor and Description
FilterPushDownSpec(List<org.apache.calcite.rex.RexNode> predicates)
FilterPushDownSpec(List<org.apache.calcite.rex.RexNode> predicates, boolean allPredicatesRetained)

Method Summary

Modifier and Type	Method and Description
void	apply(DynamicTableSource tableSource, SourceAbilityContext context) Apply the ability to the given DynamicTableSource.
static SupportsFilterPushDown.Result	apply(List<org.apache.calcite.rex.RexNode> predicates, DynamicTableSource tableSource, SourceAbilityContext context)
boolean	equals(Object o)
String	getDigests(SourceAbilityContext context) Additional digests to generate when this spec is applied to the source.
List<org.apache.calcite.rex.RexNode>	getPredicates()
int	hashCode()
boolean	isAllPredicatesRetained()

Methods inherited from class org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

getProducedType

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

FIELD_NAME_PREDICATES

public static final String FIELD_NAME_PREDICATES

See Also:

Constant Field Values

Constructor Detail

FilterPushDownSpec

public FilterPushDownSpec(List<org.apache.calcite.rex.RexNode> predicates,
                          boolean allPredicatesRetained)

FilterPushDownSpec

public FilterPushDownSpec(List<org.apache.calcite.rex.RexNode> predicates)

Method Detail

isAllPredicatesRetained

public boolean isAllPredicatesRetained()

getPredicates

public List<org.apache.calcite.rex.RexNode> getPredicates()

apply

public void apply(DynamicTableSource tableSource,
                  SourceAbilityContext context)

Description copied from interface: SourceAbilitySpec

Apply the ability to the given DynamicTableSource.

apply

public static SupportsFilterPushDown.Result apply(List<org.apache.calcite.rex.RexNode> predicates,
                                                  DynamicTableSource tableSource,
                                                  SourceAbilityContext context)

getDigests

public String getDigests(SourceAbilityContext context)

Description copied from interface: SourceAbilitySpec

Additional digests to generate when this spec is applied to the source.

Parameters:

context - The context about the source.

equals

public boolean equals(Object o)

Overrides:

equals in class SourceAbilitySpecBase

hashCode

public int hashCode()

Overrides:

hashCode in class SourceAbilitySpecBase